secret summer savings. If you're planning to hit the road to do some summer traveling, listen up. "Gma's" becky worley has tips to help you save big on the rental car. Reporter: You book your vacation. And then, as an afterthought, oh, right. I've got to rent a car. First, you should definitely be checking the blind booking sites, like hot wire. They won't tell you who you're renting from. But prices are often significantly lower. I saved $45 on my last rental this way. Another trick, renting off-airport. They average about 10% cheaper because you don't pay an airport surcharge. 20% cheaper in europe. There's a slew of new ways to rent cars. This car now has 14 different airport locations across the country. Zipcar is a membership service where you pay by the hour or day to rent in urban areas. And the price is great. Between $69 and $89 a day, which includes insurance, gas, and sometimes even tolls. If you do end up renting from a big chain, enter the details at autoslash.Com. They track the going rate for your rental. If they see the price has gone down, they will alert you. Rent with confidence and roll out to that dream vacation, knowing you got the best and smartest discount. For "good morning america," becky worley, abc news, san jose, california.

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{"id":19711126,"title":"Tips to Save on Summer Car Rentals","duration":"1:32","description":"Planning a vacation? Becky Worley shares tips on how to save money when renting a car.","section":"GMA","mediaType":"Default"}